CN107817489A - mapping method - Google Patents
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- CN107817489A CN107817489A CN201711062000.4A CN201711062000A CN107817489A CN 107817489 A CN107817489 A CN 107817489A CN 201711062000 A CN201711062000 A CN 201711062000A CN 107817489 A CN107817489 A CN 107817489A
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- mapping
- measurement
- control point
- region
- calibration field
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
- G01S13/9021—SAR image post-processing techniques
- G01S13/9023—SAR image post-processing techniques combined with interferometric techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
- G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/45—Determining position by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement
Abstract
The invention provides a kind of mapping method, it is related to technical field of mapping.The mapping method is by planning the mapping for surveying and drawing region, and terrestrial net, calibration field and the arrangement for measuring control point are carried out in mapping region, and pass through terrestrial net, calibration field and the measurement of coordinates for measuring control point, the microwave data and satellite location data obtained with reference to flight scanning, it is possible to achieve the mapping to surveying and drawing region.During the measurement of coordinates at calibration field and measurement control point, by using the real time dynamic differential method based on GPS, faster measurement of coordinates can be realized, improve the operating efficiency of ground survey, quickly obtain each scaling point in ground and measure the coordinate at control point, mapping time and manpower are saved, and can not be influenceed by weather and mapping region area, improves adaptability of the mapping operation to environmental catastrophe.
Description
Technical field
The present invention relates to technical field of mapping, in particular to a kind of mapping method.
Background technology
Synthetic aperture radar (Synthetic Aperture Radar, SAR) is that US military is ground in the 1950s
A kind of active microwave imaging sensor of system, because its is round-the-clock, round-the-clock, it is strong the characteristic such as penetrate and by people's extensive concern
And application, it is widely used in the fields such as air remote sensing, aerial survey, space flight investigation.Synthetic aperture radar interferometry
(Synthetic Aperture Radar Interferometry, InSAR) technology is based on SAR technologies, by same sight
Survey the width SAR image of region two to carry out interference treatment and obtain interference image, further obtain high-precision earth's surface elevation information.It is existing
Capable main operation modes are that two radar antennas being separated by a certain distance are installed on aircraft platform, at work an antenna
Launch radar pulse signal, two antenna colleagues receive the impulse wave being returned and independent imaging, it is good to obtain two width coherences
Striograph.Meanwhile the attitude information of aircraft is obtained in real time, is ensured equipped with the attitude positioning system that precision is superior on aircraft
The precision of subsequent product.
SAR interferometry has advantages below：Firstth, independent of sunshine, but the electromagnetic wave of its own transmission is utilized
Measure, therefore can be worked with round-the-clock；Secondth, in addition to it can pierce the clouds and mist, do not influenceed by weather conditions also, therefore
Can be with all weather operations；3rd, SAR interferometry can directly obtain the elevation information of landform.Thus, nowadays synthesize hole
The application field of footpath SAR interferometry technology is also constantly promoted.Many American-European countries are by practical airborne high-resolution
Rate InSAR technologies are as a kind of new, advanced technological means, for mapping, forest surveying, resource investigation and environment system
Figure, geological environment and disaster monitoring etc..
The resolution ratio that the airborne InSAR systems for completing to develop and come into operation external at present obtain image can reach
0.5m, 0.5m can be reached by obtaining the precision of digital complex demodulation.InSAR technologies at this stage are mainly used in ground and sunk
Drop monitoring, and precision can reach Centimeter Level.Also by 1 before in terms of topographic map is made:5000、1:10000、1:50000 etc.
Small-scale topographical map is towards 1:2000、1:The making of 1000 grade large scale topographical maps strides forward.Existing mapping method operation
Efficiency is low, it is necessary to expend more manpower, can not realize quick mapping.
The content of the invention
In view of this, the invention provides a kind of mapping method, it is possible to achieve more efficient mapping.
Technical scheme provided by the invention is as follows：
A kind of mapping method, including：
Position, terrain data and the area size in mapping region are obtained, mapping flight information is determined with reference to flight parameter；
National geodetic control network point information in the mapping region inner rim region is determined, bag is laid in the mapping region
Include the terrestrial net of multiple ground control points；
Calibration field and measurement control point are laid in the mapping region according to the mapping flight information；
The terrestrial net is measured, obtains static measurement data, the control of each ground of the terrestrial net
The coordinate of point and the parameter of conversion seven in the mapping region；
The calibration field and measurement control point are measured, obtain measurement data and the measurement control point of the calibration field
Measurement data, wherein, to it is described calibration field and measurement control point measure using a reference station and at least one flowing
Stand and obtain the calibration field using real time dynamic differential metering system and measure the coordinate at control point；
According to flight scan after synthetic aperture radar measurement data, flight measurement obtain satellite location data, ground
Architecture data, the measurement data of the calibration field, the measurement data for measuring control point, obtain the mapping in the mapping region
Data.
Further, the step of being measured to the terrestrial net includes：
Defending for predetermined number preset duration is received using Bian Lianshi metering systems using more satellite signal receiving equipment
Star positioning signal；
The satellite positioning signal obtained according to receiving resolves to obtain seven parameters of the coordinate at the control point and conversion.
Further, during each preset duration receives satellite positioning signal, the more satellite signal receivings
Equipment synchronizes measurement, and measurement process meets that D levels GPS control nets require.
Further, the step of being measured to the calibration field and measurement control point includes：
N row m row scaling points are laid in the calibration field, wherein, n, m are positive integer；
Three corner reflectors are arranged on each scaling point, wherein, bottom surface and the horizontal plane of three corner reflector keep pre-
If angle, the opening of three corner reflector is towards default heading；
The triangle forced centering bar for being provided with satellite signal receiving equipment is positioned in three corner reflector, carried out more
Secondary measurement of coordinates；
Each scaling point and each measurement control point are obtained in goal-selling coordinate system using real time dynamic differential method
Coordinate.
Further, the step of being measured to the calibration field and measurement control point also includes：
Coordinate of the middle number for the data that multiple measurement of coordinates is obtained as the scaling point.
Further, the epoch number of the measurement of coordinates is 60, and the mutual deviation of multiple measurement of coordinates is less than or equal to 4cm.
Further, wherein, the data obtained using real time dynamic differential method are fixed solution, positional precision degree of strength
Numerical value is less than default value, receives number of satellites of the satellite altitude angle of cut-off more than 15 degree and is more than or equal to predetermined number.
Further, the n is 3, m 5, and the default angle is 15 degree.
Further, the area in the mapping region exceedes preset area, and the terrestrial net is measured, obtained
The parameter of conversion seven of the static measurement data of the terrestrial net, the coordinate of each ground control point and the mapping region
Step includes：
It is multiple blocks by the mapping region division, calculates the parameter of conversion seven of each block, obtain the mapping area
The parameter of conversion seven in domain.
By planning the mapping for surveying and drawing region, and terrestrial net, calibration field and measurement control are carried out in mapping region
The arrangement of point is made, and by terrestrial net, calibration field and the measurement of coordinates for measuring control point, is defended with reference to what flight scanning obtained
Star location data, it is possible to achieve the mapping to surveying and drawing region.During the measurement of coordinates at calibration field and measurement control point, pass through
Using real time dynamic differential method, it is possible to achieve faster measurement of coordinates, improve the operating efficiency of ground survey, quickly obtain ground
The each scaling point in face and the coordinate at measurement control point, mapping time and manpower are saved, and can not be by weather and mapping region
The influence of area, improve adaptability of the mapping operation to environmental catastrophe.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of mapping method provided in an embodiment of the present invention.
Fig. 2 is the schematic flow sheet of step S104 sub-step in a kind of mapping method provided in an embodiment of the present invention.
Fig. 3 is the schematic flow sheet of step S105 sub-step in a kind of mapping method provided in an embodiment of the present invention.
Fig. 4 is the schematic flow sheet of step S105 sub-step in a kind of mapping method provided in an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist
The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause
This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing
The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
Need image with geographical coordinates being connected when InSAR technologies are applied into digital mapping, achievement is presented in pair
In the state coordinate system or independent coordinate system answered, i.e. ground control survey.The ground based on InSAR technologies used now
Control laying comprises the following steps：First, the design of the line of flight, flight range and the line of flight are determined according to area's task scope is surveyed
And sortie；2nd, field is calibrated to lay and measure；3rd, control points layout and measurement；4th, flight scanning, survey area's flight and obtain InSAR
Data.
In scaling point is laid and is measured, GPS static work patterns are used, ensure synchronous ring observation time during measurement
It is all higher than 40 minutes, needs 9 periods if 20 scaling points are observed using side connected mode with 4 GPSs, add
Time used in transfer, it is more than hour at least to need 10, if running into the weather such as strong wind, heavy rain, measurement can be produced again very big dry
Disturb, take effort again.In this case the quantity of the quantity to scaling point and GPS has larger limitation.
The embodiment of the present application provides a kind of mapping method based on synthetic aperture radar interferometry technology, including following
Step.
Step S101, obtains position and the area size in mapping region, and mapping flight information is determined with reference to flight parameter.
Surveying and drawing the particular location in region can determine according to mapping task, and the topographic features in mapping region are obtained ahead of time, and
The information such as the line of flight that can be needed according to the flight parameter of aerial survey aircraft to mapping and Sortie is determined.Specifically
Information is different and different because mapping task every time, and staff can be according to being actually needed determination relevant information.
Step S102, national geodetic control network point information in the mapping region inner rim region is determined, in the mapping
Lay the terrestrial net for including multiple ground control points in region.
When it is determined that surveying and drawing the relevant information in region, it can be required according to the size and mapping in mapping region, collect survey
Paint the information of the national geodetic control network point of in region and neighboring area.And the cloth in mapping region can be needed according to mapping
If terrestrial net, terrestrial net can include multiple ground control points, and the particular location of each ground control point can root
Determined according to the actual ground situation in mapping region, require specific with the line of flight according to mapping between Different Ground control point
Situation keeps suitable distance.
Step S103, calibration field and measurement control point are laid in the mapping region according to the mapping flight information.
While the laying of terrestrial net is completed, calibration field and survey can be determined according to the actual conditions in mapping region
Measure the installation position at control point.It is understood that between each calibration field and measurement control point according to mapping region practically
Shape situation keeps appropriately distance.
Step S104, the terrestrial net is measured, obtain the static measurement data, each of the terrestrial net
The coordinate of ground control point and the parameter of conversion seven in the mapping region.
As shown in Fig. 2 after the laying of terrestrial net is completed, can be determined according to specification and project demand using static
Synchronous ring duration used during measurement pattern translocation state control net.As shown in Fig. 2 the step can include following sub-step.
Sub-step S1041, predetermined number is received using Bian Lianshi metering systems using more satellite signal receiving equipment
The satellite positioning signal of preset duration.Sub-step S1042, resolve to obtain the control according to the satellite positioning signal that reception obtains
Seven parameters of coordinate and conversion of point.It can be calculated in terrestrial net respectively in correlation resolving software using static measurement data
Coordinate of the ground control point in specified coordinate system.Solution obtains the parameter of conversion seven in mapping region accordingly, if coverage of survey area
It is excessive, use seven parameter models make it that border district deformation is larger, then can be multiple blocks by mapping region division, and
Solve and establish respectively seven parameter models of each block.Seven-parameter measurement can ensure to obtain high accuracy in the range of 15km
Measurement result, it need to consider that subregion measures more than this scope.
Step S105, to it is described calibration field and measurement control point measure, obtain it is described calibration field measurement data and
The measurement data at control point is measured, wherein, the calibration field and measurement control point are measured using a reference station and extremely
A few rover station obtains the calibration field using real time dynamic differential metering system and measures the coordinate at control point.
As shown in figure 3, the step can include following sub-step.
Sub-step S1051, n row m row scaling points are laid in the calibration field, wherein, n, m are positive integer.
Sub-step S1052, three corner reflectors are arranged on each scaling point, wherein, the bottom surface of three corner reflector with
Horizontal plane keeps default angle, and the opening of three corner reflector is towards default heading.
Sub-step S1053, it is anti-that the triangle forced centering bar for being provided with satellite signal receiving equipment is positioned over the triangle
In emitter, multiple measurement of coordinates is carried out.
Sub-step S1054, each scaling point and each measurement control point are obtained in default mesh using real time dynamic differential method
Mark the coordinate in coordinate system.
As shown in figure 4, can also include sub-step S1055, the middle number for the data that multiple measurement of coordinates is obtained is as institute
State the coordinate of scaling point.The data obtained using real time dynamic differential method are fixed solution, and positional precision degree of strength numerical value is small
In default value, receive number of satellites of the satellite altitude angle of cut-off more than 15 degree and be more than or equal to predetermined number.The n can be
3, m can be 5, can also be determined according to the actual conditions in mapping region.The default angle can be 15 degree.The seat
The epoch number of mapping amount can be 60, and the mutual deviation of multiple measurement of coordinates is less than or equal to 4cm.
The measurement of coordinate is carried out by using real time dynamic differential method, the operating efficiency of measurement of coordinates can be improved, can be with
Quick obtaining scaling point and the coordinate information at measurement control point, shorten mapping time, save mapping manpower.Running into mapping
Region area is larger or other reasonses influence, can be default when preventing mapping aircraft from completing mapping within a short period of time
Position is marked, and obtains coordinate.When target next time is laid, can directly place, without carrying out measurement of coordinates again,
Reduce mapping workload.
Step S106, the satellite location data obtained according to the synthetic aperture radar measurement data after flight scanning, measurement,
Ground base station location data, the measurement data of the calibration field, the measurement data for measuring control point, obtain the mapping region
Surveying and mapping data.
After completing terrestrial net, calibration field and measuring the measurement of correlation at control point, it can fly according to predetermined
Row course carries out flight scanning to mapping region.In the flight of calibration field and survey area's flight course of each sortie, using described
Airborne InSAR systems and airborne Position Fixing Navigation System synchronize measurement, and InSAR measurements are accordingly obtained after the flight of each sortie
Data, satellite location data, ground base station data, the measurement data for calibrating field and the measurement data for measuring control point, flight are surveyed
The calibration field flight of design sortie is measured and can have been completed after surveying area's flight with obtaining the InSAR measurement data in region to be surveyed and drawn
Mapping to surveying and drawing region.
In summary, by planning the mapping for surveying and drawing region, and terrestrial net, calibration field are carried out in mapping region
With measurement control point arrangement, and by terrestrial net, calibration field and measure control point measurement of coordinates, with reference to flight scan
Obtained satellite location data, it is possible to achieve the mapping to surveying and drawing region.Measurement of coordinates mistake in calibration field and measurement control point
Cheng Zhong, by using real time dynamic differential method, it is possible to achieve faster measurement of coordinates, improve the operating efficiency of ground survey, soon
The coordinate for obtaining each scaling point in ground and measuring control point of speed, saves mapping time and manpower, and can not be by weather
With the influence of mapping region area, adaptability of the mapping operation to environmental catastrophe is improved.
The embodiment of the present application additionally provides a kind of mapping method, applied to Survey data processing device, this method include with
Lower step.Position, terrain data and the area size in mapping region are obtained, mapping flight information is determined with reference to flight parameter.Obtain
National geodetic control network point information in the mapping region inner rim region is obtained, the mapping region is laid with including multiple ground
The terrestrial net at control point, described survey and draw in region are laid with calibration field and measurement control point.Obtain the terrestrial net
Static measurement data, each ground control point coordinate and it is described mapping region the parameter of conversion seven.Obtain the calibration field
Measurement data and measurement control point measurement data, wherein, to it is described calibration field and measurement control point measure using one
Individual reference station and at least one rover station obtain the calibration field using real time dynamic differential metering system and measure control point
Coordinate.Obtain the synthetic aperture radar measurement data after flight scanning, satellite location data, the ground base station that flight measurement obtains
Location data, the measurement data of the calibration field, the measurement data for measuring control point, obtain the mapping number in the mapping region
According to.The method of testing is similar to preceding method, and specific implementation process can be found in noted earlier, repeat no more here.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that：Similar label and letter exists
Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing
It is further defined and explained.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. mapping method, it is characterised in that including：Position, terrain data and the area size in mapping region are obtained, mapping flight information is determined with reference to flight parameter；National geodetic control network point information in the mapping region inner rim region is determined, is laid in the mapping region including more The terrestrial net of individual ground control point；Calibration field and measurement control point are laid in the mapping region according to the mapping flight information；The terrestrial net is measured, obtains the static measurement data of the terrestrial net, each ground control point Coordinate and the parameter of conversion seven in the mapping region；The calibration field and measurement control point are measured, obtain the measurement data of the calibration field and the survey at measurement control point Data are measured, wherein, the calibration field and measurement control point are measured to be made using a reference station and at least one rover station The calibration field is obtained with real time dynamic differential metering system and measures the coordinate at control point；Satellite location data, the ground base station that synthetic aperture radar measurement data, flight measurement after being scanned according to flight obtain Location data, the measurement data of the calibration field, the measurement data for measuring control point, obtain the mapping number in the mapping region According to.
- 2. mapping method according to claim 1, it is characterised in that the step of being measured to the terrestrial net is wrapped Include：The satellite of predetermined number preset duration is received using Bian Lianshi metering systems using more satellite signal receiving equipment Position signal；The satellite positioning signal obtained according to receiving resolves to obtain seven parameters of the coordinate at the control point and conversion.
- 3. mapping method according to claim 2, it is characterised in that receive satellite positioning signal in each preset duration During, the more satellite signal receiving equipment synchronizes measurement, and measurement process meets that D levels GPS control nets require.
- 4. mapping method according to claim 1, it is characterised in that measured to the calibration field and measurement control point The step of include：N row m row scaling points are laid in the calibration field, wherein, n, m are positive integer；Three corner reflectors are arranged on each scaling point, wherein, bottom surface and the horizontal plane of three corner reflector keep default folder Angle, the opening of three corner reflector is towards default heading；The triangle forced centering bar for being provided with satellite signal receiving equipment is positioned in three corner reflector, repeatedly sat Mapping amount；The coordinate of each scaling point and each measurement control point in goal-selling coordinate system is obtained using real time dynamic differential method.
- 5. mapping method according to claim 4, it is characterised in that measured to the calibration field and measurement control point The step of also include：Coordinate of the middle number for the data that multiple measurement of coordinates is obtained as the scaling point.
- 6. mapping method according to claim 4, it is characterised in that the epoch number of the measurement of coordinates is 60, is repeatedly sat The mutual deviation of mapping amount is less than or equal to 4cm.
- 7. mapping method according to claim 4, it is characterised in that wherein, described to be obtained using real time dynamic differential method Data be fixed solution, positional precision degree of strength numerical value is less than default value, receives satellite altitude angle of cut-off defending more than 15 degree Star number is more than or equal to predetermined number.
- 8. mapping method according to claim 4, it is characterised in that the n is 3, m 5, and the default angle is 15 Degree.
- 9. mapping method according to claim 1, it is characterised in that the area in the mapping region exceedes preset area, The terrestrial net is measured, obtains static measurement data, the coordinate of each ground control point of the terrestrial net And it is described mapping region seven parameter of conversion the step of include：It is multiple blocks by the mapping region division, calculates the parameter of conversion seven of each block, obtains the mapping region Change seven parameters.
- 10. a kind of mapping method, it is characterised in that applied to Survey data processing device, this method includes：Position, terrain data and the area size in mapping region are obtained, mapping flight information is determined with reference to flight parameter；National geodetic control network point information in the mapping region inner rim region is obtained, the mapping region is laid with including more The terrestrial net of individual ground control point, described survey and draw in region are laid with calibration field and measurement control point；Obtain the conversion of the static measurement data of the terrestrial net, the coordinate of each ground control point and the mapping region Seven parameters；The measurement data of the calibration field and the measurement data at measurement control point are obtained, wherein, the calibration field and measurement are controlled System point measures described fixed using the acquisition of real time dynamic differential metering system using a reference station and at least one rover station Mark field and measure the coordinate at control point；Obtain the synthetic aperture radar measurement data after flight scanning, satellite location data, the ground base station that flight measurement obtains Location data, the measurement data of the calibration field, the measurement data for measuring control point, obtain the mapping number in the mapping region According to.
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Cited By (5)
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| CN108663413A (en) * | 2018-05-09 | 2018-10-16 | 环境保护部华南环境科学研究所 | A kind of method and system based on the air-ground integrated lossless scanning of refuse landfill |
| CN110174671A (en) * | 2019-04-23 | 2019-08-27 | 武昌理工学院 | A kind of mapping method based on aerial mapping technology |
| CN111024052A (en) * | 2019-05-20 | 2020-04-17 | 安徽省中功立业建设工程有限责任公司 | Mapping method based on municipal engineering |
| CN111693994A (en) * | 2020-04-30 | 2020-09-22 | 中国科学院空天信息创新研究院 | Airborne synthetic aperture radar route laying method, device, equipment and storage medium |
| CN111912446A (en) * | 2020-08-19 | 2020-11-10 | 河南省焦作地质勘察设计有限公司 | Multifunctional natural resource monitoring device |
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| CN111024052A (en) * | 2019-05-20 | 2020-04-17 | 安徽省中功立业建设工程有限责任公司 | Mapping method based on municipal engineering |
| CN111693994A (en) * | 2020-04-30 | 2020-09-22 | 中国科学院空天信息创新研究院 | Airborne synthetic aperture radar route laying method, device, equipment and storage medium |
| CN111693994B (en) * | 2020-04-30 | 2022-06-03 | 中国科学院空天信息创新研究院 | Airborne synthetic aperture radar route laying method, device, equipment and storage medium |
| CN111912446A (en) * | 2020-08-19 | 2020-11-10 | 河南省焦作地质勘察设计有限公司 | Multifunctional natural resource monitoring device |
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